Speaker



FIG. 1 is a front perspective view of a speaker;

FIG. 2 is a back perspective view of the speaker;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a back elevation view thereof;

FIG. 5 is a right elevation view thereof;

FIG. 6 is a left elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines shown in the drawings of the speaker are for illustrating portions of the article and form no part of the claimed design. 

CLAIM We claim the ornamental design for a speaker, as shown and described. 